20120776731

素因数分解:

$3^4\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{647}}^1$

素因数の和:867

約数の個数: 120

約数和(自身を含む): 35038967040

約数和(自身を除く): 14918190309

約数列:

[1, 3, 9, 11, 19, 27, 33, 57, 81, 99, 121, 167, 171, 209, 297, 363, 501, 513, 627, 647, 891, 1089, 1503, 1539, 1837, 1881, 1941, 2299, 3173, 3267, 4509, 5511, 5643, 5823, 6897, 7117, 9519, 9801, 12293, 13527, 16533, 16929, 17469, 20207, 20691, 21351, 28557, 34903, 36879, 49599, 52407, 60621, 62073, 64053, 78287, 85671, 104709, 108049, 110637, 135223, 148797, 181863, 186219, 192159, 234861, 257013, 314127, 324147, 331911, 383933, 405669, 545589, 576477, 704583, 942381, 972441, 995733, 1151799, 1188539, 1217007, 1487453, 1636767, 2052931, 2113749, 2827143, 2917323, 3455397, 3565617, 3651021, 4462359, 6158793, 6341247, 8751969, 10366191, 10696851, 10953063, 13073929, 13387077, 18476379, 22582241, 31098573, 32090553, 39221787, 40161231, 55429137, 67746723, 96271659, 117665361, 120483693, 166287411, 203240169, 248404651, 352996083, 609720507, 745213953, 1058988249, 1829161521, 2235641859, 6706925577, 20120776731]

約数ペア:

[(1, 20120776731), (3, 6706925577), (9, 2235641859), (11, 1829161521), (19, 1058988249), (27, 745213953), (33, 609720507), (57, 352996083), (81, 248404651), (99, 203240169), (121, 166287411), (167, 120483693), (171, 117665361), (209, 96271659), (297, 67746723), (363, 55429137), (501, 40161231), (513, 39221787), (627, 32090553), (647, 31098573), (891, 22582241), (1089, 18476379), (1503, 13387077), (1539, 13073929), (1837, 10953063), (1881, 10696851), (1941, 10366191), (2299, 8751969), (3173, 6341247), (3267, 6158793), (4509, 4462359), (5511, 3651021), (5643, 3565617), (5823, 3455397), (6897, 2917323), (7117, 2827143), (9519, 2113749), (9801, 2052931), (12293, 1636767), (13527, 1487453), (16533, 1217007), (16929, 1188539), (17469, 1151799), (20207, 995733), (20691, 972441), (21351, 942381), (28557, 704583), (34903, 576477), (36879, 545589), (49599, 405669), (52407, 383933), (60621, 331911), (62073, 324147), (64053, 314127), (78287, 257013), (85671, 234861), (104709, 192159), (108049, 186219), (110637, 181863), (135223, 148797)]